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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1845080.pdf | 479 kB | Shaun Ewing | Feb 16, 1932 00:00 |
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US-1845080-A // Studio for acoustic purposes // Eyring Carl F. ; Hanson Robert L. ; Macnair Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 16, 1932 00:00 | US-1845080-A // Studio for acoustic purposes // Eyring Carl F. ; Hanson Robert L. ; Macnair Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2148532.pdf | 479 kB | Shaun Ewing | Feb 28, 1939 00:00 |
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US-2148532-A // Radio repeater // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Feb 28, 1939 00:00 | US-2148532-A // Radio repeater // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 1841101.pdf | 479 kB | Shaun Ewing | Jan 12, 1932 00:00 |
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US-1841101-A // Loud speaker // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Jan 12, 1932 00:00 | US-1841101-A // Loud speaker // Flanders Paul B. ; Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1966491.pdf | 478 kB | Shaun Ewing | Jul 17, 1934 00:00 |
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US-1966491-A // Antenna system // Ferrell Enoch B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Jul 17, 1934 00:00 | US-1966491-A // Antenna system // Ferrell Enoch B. // Bell Telephone Labor Inc | ||||
| PDF File 1813913.pdf | 478 kB | Shaun Ewing | Jul 14, 1931 00:00 |
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US-1813913-A // Rotary distributor // Clokey Allison A. ; Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1813913-A // Rotary distributor // Clokey Allison A. ; Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 2069838.pdf | 478 kB | Shaun Ewing | Feb 09, 1937 00:00 |
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US-2069838-A // Communication system // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Feb 09, 1937 00:00 | US-2069838-A // Communication system // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1815246.pdf | 478 kB | Shaun Ewing | Jul 21, 1931 00:00 |
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US-1815246-A // Radio direction finder // Englund Carl R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Jul 21, 1931 00:00 | US-1815246-A // Radio direction finder // Englund Carl R. // Bell Telephone Labor Inc | ||||
| PDF File 2009085.pdf | 478 kB | Shaun Ewing | Jul 23, 1935 00:00 |
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US-2009085-A // Coin receptacle cover // Jackson John K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Jul 23, 1935 00:00 | US-2009085-A // Coin receptacle cover // Jackson John K. // Bell Telephone Labor Inc | ||||
| PDF File 2223736.pdf | 478 kB | Shaun Ewing | Dec 03, 1940 00:00 |
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US-2223736-A // Transmission circuit // Mertz Pierre // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Dec 03, 1940 00:00 | US-2223736-A // Transmission circuit // Mertz Pierre // Bell Telephone Labor Inc | ||||
| PDF File 2049170.pdf | 478 kB | Shaun Ewing | Jul 28, 1936 00:00 |
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US-2049170-A // Coin collector apparatus // Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Jul 28, 1936 00:00 | US-2049170-A // Coin collector apparatus // Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 2080459.pdf | 478 kB | Shaun Ewing | May 18, 1937 00:00 |
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US-2080459-A // Modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 478 kB | Shaun Ewing | May 18, 1937 00:00 | US-2080459-A // Modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 1852756.pdf | 477 kB | Shaun Ewing | Apr 05, 1932 00:00 |
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US-1852756-A // Lubricating device // Pritchard William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Apr 05, 1932 00:00 | US-1852756-A // Lubricating device // Pritchard William T. // Bell Telephone Labor Inc | ||||
| PDF File 2118935.pdf | 477 kB | Shaun Ewing | May 31, 1938 00:00 |
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US-2118935-A // Switch mechanism // Magrath Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 477 kB | Shaun Ewing | May 31, 1938 00:00 | US-2118935-A // Switch mechanism // Magrath Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2179818.pdf | 477 kB | Shaun Ewing | Nov 14, 1939 00:00 |
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US-2179818-A // Electrically heated tool // Hampton Leon N. ; Shangle Amos H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 477 kB | Shaun Ewing | Nov 14, 1939 00:00 | US-2179818-A // Electrically heated tool // Hampton Leon N. ; Shangle Amos H. // Bell Telephone Labor Inc | ||||
| PDF File 1816601.pdf | 476 kB | Shaun Ewing | Jul 28, 1931 00:00 |
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US-1816601-A // Electron discharge device // Mcneill George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Jul 28, 1931 00:00 | US-1816601-A // Electron discharge device // Mcneill George A. // Bell Telephone Labor Inc | ||||
| PDF File 1862570.pdf | 476 kB | Shaun Ewing | Jun 14, 1932 00:00 |
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US-1862570-A // Electrical condenser // Given Frederick J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Jun 14, 1932 00:00 | US-1862570-A // Electrical condenser // Given Frederick J. // Bell Telephone Labor Inc | ||||
| PDF File 1854812.pdf | 476 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854812-A // Telephone receiver // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854812-A // Telephone receiver // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1956744.pdf | 475 kB | Shaun Ewing | May 01, 1934 00:00 |
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US-1956744-A // Fire extinguisher // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | May 01, 1934 00:00 | US-1956744-A // Fire extinguisher // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 2041157.pdf | 475 kB | Shaun Ewing | May 19, 1936 00:00 |
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US-2041157-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | May 19, 1936 00:00 | US-2041157-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 1907427.pdf | 475 kB | Shaun Ewing | May 09, 1933 00:00 |
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US-1907427-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | May 09, 1933 00:00 | US-1907427-A // Piezo-electric crystal // Marrison Warren A. // Bell Telephone Labor Inc |
